The newlywed reality star has officially adopted husband Kanye West's surname, and dashed off her new moniker while in Prague on their honeymoon.
We wonder how much she practiced?!
Kim, 33, shared a photo to her official website showing her new signature written on a plate at a restaurant she was dining in.
"This is the first time I signed West!" she told fans, accompanying her message with millions of heart icons.
Kim and Kanye married in Florence, Italy on 24 May, following a week of pre-wedding celebrations in Paris, France.
After exchanging vows, they flew to Ireland for a low-key honeymoon away from the limelight, before jetting over to Prague to attend the wedding of Kanye's stylist.
Now, they're back in the US where they have been reunited with daughter North, who had been looked after by Kim's mum Kris Jenner while they were on honeymoon.
Next in the Kardashian West calendar will be little North's first birthday on 13 June.
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